**FILE** Claire McCaskill (left), gives the thumbs up to supporters as she holds the hand of her mother, Betty Anne McCaskill, after participating in a debate for U.S. Senate candidates against incumbent Sen. Jim Talent at Clayton High School in Clayton, Mo., on Oct. 11, 2006. (Associated Press)

Photo by: Tom Gannam

**FILE** Claire McCaskill (left), gives the thumbs up to supporters as she holds the hand of her mother, Betty Anne McCaskill, after participating in a debate for U.S. Senate candidates against incumbent Sen. Jim Talent at Clayton High School in Clayton, Mo., on Oct. 11, 2006. (Associated Press)